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If a unit vector is represented by 0.5ha...

If a unit vector is represented by `0.5hati + 0.8hatj + chatk` the value of c is

A

1

B

`sqrt(0.11)`

C

`sqrt(0.01)`

D

0.39

Text Solution

Verified by Experts

The correct Answer is:
B
`sqrt((0.5)^2+(0.8)^2 + c^(2)) =1`
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